CN111761556B - Air inlet casing disassembling tool - Google Patents
Air inlet casing disassembling tool Download PDFInfo
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- CN111761556B CN111761556B CN202010641531.4A CN202010641531A CN111761556B CN 111761556 B CN111761556 B CN 111761556B CN 202010641531 A CN202010641531 A CN 202010641531A CN 111761556 B CN111761556 B CN 111761556B
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- screw
- air inlet
- inlet casing
- rod
- sleeved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application belongs to the technical field of the design is disassembled to aeroengine air inlet machine casket, concretely relates to frock is disassembled to air inlet machine casket includes: a stay bar; one end of a lead screw of the ball screw assembly is connected with the support rod and is L-shaped; a lead screw nut of the ball screw assembly is in threaded connection with the lead screw; the outer ring of the ball screw component is sleeved on the screw nut; the screw nut rotates on the screw to drive the outer ring to translate along the axial direction of the screw.
Description
Technical Field
The application belongs to the technical field of aero-engine air inlet casing disassembly design, and particularly relates to an air inlet casing disassembly tool.
Background
During an aircraft engine bench test, the condition that the unbalance amount of an engine fan rotor is too large can exist, the unbalance amount of the engine fan rotor is too large, the vibration of the whole engine is out of limit, and therefore the balancing weight installed at the front end of the engine fan rotor and stator assembly needs to be adjusted.
When adjusting the balancing weight of installation at engine fan stator subassembly front end, need to decompose engine air inlet machine casket and fan stator subassembly to expose engine fan stator subassembly front end, thereby can be easy the realization to the regulation of balancing weight above that.
At present, lack and carry out the special frock that decomposes to engine air inlet machine casket and fan commentaries on classics stator subassembly, when disassembling engine air inlet machine casket and fan commentaries on classics stator subassembly, need pull down it from the rack more, return the factory and carry out the dismouting, its process is loaded down with trivial details, the inefficiency, and need consume a large amount of manpower, material resources.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.
Disclosure of Invention
The purpose of this application is to provide an air inlet casing disassembly tool, in order to overcome or alleviate technical defects of at least one known existing aspect.
The technical scheme of the application is as follows:
the utility model provides an air inlet casing disassembles frock, includes:
a stay bar;
one end of a lead screw of the ball screw assembly is connected with the support rod and is L-shaped; a lead screw nut of the ball screw assembly is in threaded connection with the lead screw; the outer ring of the ball screw assembly is sleeved on the screw nut; the screw nut rotates on the screw to drive the outer ring to translate axially along the screw.
According to at least one embodiment of the present application, the above-mentioned intake casing disassembling tool further includes:
and the rotating hand wheel is connected with the lead screw nut.
According to at least one embodiment of the application, in the disassembly tool for the air inlet casing, the adapter cylinder is sleeved on the screw rod, one end of the adapter cylinder is connected with the outer ring, and the other end of the adapter cylinder extends in the direction away from the support rod.
According to at least one embodiment of the present application, the above-mentioned intake casing disassembling tool further includes:
and the supporting cylinder is sleeved at one end of the screw rod, which is far away from the supporting rod.
According to at least one embodiment of the present application, in the tool for disassembling an intake casing, the tool further includes:
and the positioning piston ring is sleeved on the lead screw and is positioned between the support cylinder and the lead screw nut.
According to at least one embodiment of the present application, the above-mentioned intake casing disassembling tool further includes:
the sleeve gear is sleeved at one end of the screw rod far away from the stay bar.
According to at least one embodiment of the application, in the disassembling tool for the air inlet casing, the support rod is a telescopic rod.
Drawings
FIG. 1 is a schematic illustration of an engine air intake case and fan rotor stator assembly provided in accordance with an embodiment of the present disclosure;
FIG. 2 is a schematic working diagram of a disassembly tool for an intake casing according to an embodiment of the present disclosure;
FIG. 3 is a partial schematic view of FIG. 2;
FIG. 4 is another partial schematic view of FIG. 2;
wherein:
1-a stay bar; 2-a lead screw; 3-lead screw nut; 4-outer ring; 5-rotating a hand wheel; 6-a transfer cylinder; 7-a support cylinder; 8-positioning a piston ring; 9-set of teeth; 10-an air inlet casing; 11-a fan rotor stator assembly; 12-a counterweight block; 13-a fulcrum roller bearing.
For the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application will be described in further detail with reference to fig. 1 to 4.
The utility model provides an air inlet casing disassembles frock, includes:
a stay bar 1;
one end of a lead screw 2 of the ball screw component is connected with the stay bar 1 and is L-shaped; a screw nut 3 of the ball screw assembly is in threaded connection with the screw 2; an outer ring 4 of the ball screw assembly is sleeved on the screw nut 3; the screw nut 3 can rotate on the screw 2 to drive the outer ring 4 to translate axially along the screw 2.
As for the air inlet casing disassembling tool disclosed in the above embodiment, it can be understood by a person skilled in the art that the tool can be used for disassembling an air inlet casing 10 of an engine, when the tool is used for disassembling the air inlet casing 10, the height of the stay bar 1 can be set, so that the screw 2 is located at the engine axis position, one end of the screw 2, away from the stay bar 1, penetrates through the air inlet casing 10 and is connected with the fan rotor-stator assembly 11, the outer ring 4 is connected with the air inlet casing 10, the connection bolts on the air inlet casing 10 and the fan rotor-stator assembly 11 are removed, the connection relation between the air inlet casing 10 and the fan rotor-stator assembly 11 is released, and the screw nut 3 is rotated to make the outer ring 4 translate axially along the screw 2, so as to drive the air inlet casing 10 to translate axially along the screw 2, thereby realizing the separation between the air inlet casing 10 and the fan rotor-stator assembly 11, and completing the disassembling of the air inlet casing 10 and the fan rotor-stator assembly 11.
For the air inlet casing disassembling tool disclosed in the above embodiment, it can be further understood by those skilled in the art that when the tool is applied to disassembling the air inlet casing 10, the outer ring 4 of the tool is driven by the screw nut 3 to drive the air inlet casing 10 to translate along the axial direction of the screw 2, that is, in the process, the air inlet casing 10 only translates along the axial direction of the screw 2, and it can be understood that the air inlet casing translates in a direction away from the fan rotor-stator assembly 11 to be separated from the fan rotor-stator assembly 11, and in the process, the air inlet casing 10 does not rotate, so that the components can be prevented from being damaged due to rubbing against each other.
For the tool for disassembling the air inlet casing disclosed in the above embodiment, it can be further understood by those skilled in the art that the air inlet casing 10 is disassembled, and in the process of separating the air inlet casing 10 from the fan rotor-stator assembly 11, the outer ring of the fulcrum roller bearing 13 and the rest of the outer ring are decomposed, wherein the outer ring of the fulcrum roller bearing 13 moves along with the air inlet casing 10, and the rest of the fulcrum roller bearing 13 is retained on the fan rotor-stator assembly 11, and it can be understood that when the tool for disassembling the air inlet casing is applied to the disassembling of the air inlet casing 10, two ends of the lead screw 2 are respectively supported by the stay bar 1 and the fan rotor-stator assembly 11, the lead screw 2 is in the engine axis position, and the outer ring 4 drives the air inlet casing 10 to translate axially along the lead screw 2 under the driving of the lead screw nut 3, i.e. along the engine axis, so as to prevent the air inlet casing 10 from deviating from the engine axis in the moving process, thereby preventing the outer ring of the fulcrum roller bearing 13 from colliding with the rest of the decomposition process.
As for the tool for disassembling the air inlet casing disclosed in the above embodiment, it can be understood by those skilled in the art that the tool for disassembling the air inlet casing is used to separate the air inlet casing 10 from the fan rotor-stator assembly 11, and after the tool for disassembling the air inlet casing 10 from the fan rotor-stator assembly 11 is completed, the front end of the fan rotor-stator assembly 11 is exposed, so that the adjustment of the counterweight 12 thereon can be easily achieved, and in the process, the engine does not need to be disassembled from the rack, so that the efficiency is high, and in addition, after the adjustment of the counterweight 12 at the front end of the fan rotor-stator assembly 11 is completed, the outer ring 4 can be translated along the axial direction of the screw rod 2 by rotating the screw rod nut 3, so as to drive the air inlet casing 10 to translate along the axial direction of the screw rod 2 close to the fan rotor-stator assembly 11, so that the air inlet casing 10 is butted with the fan rotor-stator assembly 11, and the air inlet casing 10 is connected with the fan rotor-stator assembly 11 by the connecting bolt, so that the re-assembly of the air inlet casing 10 and the fan rotor-stator assembly 11 can be reassembled, and then the tool for disassembling the air inlet casing is disassembled from the fan rotor-stator assembly.
For the tool for disassembling the intake casing disclosed in the above embodiment, it can be understood by those skilled in the art that the screw nut 3 and the screw 2 in the ball screw assembly may be configured to roll, so as to facilitate the rotation of the screw nut 3, the outer ring 4 and the screw nut 3 are slidably connected, when the screw nut 3 rotates, the outer ring 4 may be driven to translate axially along the screw 2, and the outer ring 4 may not rotate, so as to avoid the rotation of the intake casing 10 during the disassembling and assembling processes of the intake casing 10.
In some optional embodiments, in the tool for disassembling an intake casing, the tool further includes:
and the rotating hand wheel 5 is connected with the lead screw nut 3 so as to apply acting force on the lead screw nut 3 and enable the lead screw nut 3 to rotate.
In some optional embodiments, in the above-mentioned tool for disassembling the air inlet casing, the adapter 6 is sleeved on the screw rod 2, one end of the adapter is connected with the outer ring 4, and the other end of the adapter extends in a direction away from the stay bar 1.
For the air inlet casing disassembling tool disclosed in the above embodiments, it can be understood by those skilled in the art that when it is used for disassembling the air inlet casing 10, the outer ring 4 of the air inlet casing can be connected to the air inlet casing 10 through the adapter cylinder 6, and in a specific application, one end of the adapter cylinder 6 far away from the outer ring 4 can be designed to be connected to the air inlet casing in a detachable manner through a screw.
In some optional embodiments, the air inlet casing disassembling tool further includes:
and the supporting cylinder 7 is sleeved at one end of the screw rod 2 far away from the supporting rod 1.
With respect to the intake casing disassembling tool disclosed in the above embodiments, it will be understood by those skilled in the art that when the tool is used for disassembling the intake casing 10, the support cylinder 7 thereof may extend into the front end journal of the fan stator assembly 11 to be supported inside the journal.
In some optional embodiments, the air inlet casing disassembling tool further includes:
and the positioning piston ring 8 is sleeved on the screw rod 2 and is positioned between the support cylinder 7 and the screw rod nut 3.
For the tool for disassembling the air inlet casing disclosed in the above embodiment, it can be understood by those skilled in the art that when the tool is used for disassembling the air inlet casing 10, the positioning piston ring 8 can be clamped in a clamping groove in a journal at the front end of the fan rotor-stator assembly 11 to limit the movement of the support cylinder 7 to the direction of the positioning piston ring, and meanwhile, one end of the support cylinder 7, which is far away from the positioning piston ring 8, can be abutted against the inner wall of the journal of the fan rotor-stator assembly 11 to limit the forward movement of the support cylinder 7, that is, to limit the axial movement of the screw rod 2, so as to axially fix the screw rod 2.
In some optional embodiments, in the tool for disassembling an intake casing, the tool further includes:
the cover tooth 9 cup joints the one end of keeping away from vaulting pole 1 at lead screw 2 to can rotate the cover tooth cooperation in the stator subassembly 11 front end axle journal with the fan, realize fixing the circumference of lead screw 2, can understand that cover tooth 9 can the shaping one end of keeping away from the vaulting pole at a support section of thick bamboo 7, cover tooth 9 promptly and a support section of thick bamboo 7 integrated into one piece.
In some optional embodiments, in the tool for disassembling the air inlet casing, the brace rod 1 is a telescopic rod, so that the height can be conveniently adjusted, the screw rod 2 is located at the axis of the engine, and the air inlet casing 10 is disassembled.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (3)
1. The utility model provides an air inlet casing disassembles frock which characterized in that includes:
a stay bar (1);
one end of a lead screw (2) of the ball screw component is connected with the stay bar (1) and is L-shaped; a lead screw nut (3) of the ball screw assembly is in threaded connection with the lead screw (2); the outer ring (4) of the ball screw component is sleeved on the screw nut (3); the screw nut (3) can rotate on the screw (2) to drive the outer ring (4) to translate axially along the screw (2);
the supporting cylinder (7) is sleeved at one end, far away from the support rod (1), of the lead screw (2);
the positioning piston ring (8) is sleeved on the screw rod (2), is positioned between the support cylinder (7) and the screw rod nut (3), and is clamped in a clamping groove in a front end shaft neck of the fan rotor-stator component (11) so as to limit the support cylinder (7) to move towards the direction of the positioning piston ring; one end of the support cylinder (7) far away from the positioning piston ring (8) is abutted against the inner wall of a shaft neck of a fan rotor-stator assembly (11) so as to limit the support cylinder (7) to move forwards and realize axial fixation of the screw rod (2);
the adapter cylinder (6) is sleeved on the screw rod (2), one end of the adapter cylinder is connected with the outer ring (4), and the other end of the adapter cylinder extends in the direction far away from the support rod (1) and is connected with the air inlet casing (10);
the sleeve teeth (9) are sleeved at one end of the screw rod (2) far away from the support rod (1) and are matched with the sleeve teeth in the front end shaft neck of the fan rotor-stator assembly (11), and the screw rod (2) is circumferentially fixed.
2. The air inlet casing disassembling tool according to claim 1,
further comprising:
and the rotating hand wheel (5) is connected with the screw nut (3).
3. The disassembly tool of the air inlet casing according to claim 1,
the support rod (1) is a telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010641531.4A CN111761556B (en) | 2020-07-06 | 2020-07-06 | Air inlet casing disassembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010641531.4A CN111761556B (en) | 2020-07-06 | 2020-07-06 | Air inlet casing disassembling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111761556A CN111761556A (en) | 2020-10-13 |
| CN111761556B true CN111761556B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010641531.4A Active CN111761556B (en) | 2020-07-06 | 2020-07-06 | Air inlet casing disassembling tool |
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| CN (1) | CN111761556B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714081B (en) * | 2022-04-19 | 2023-01-31 | 中国航发动力股份有限公司 | Decomposition method for decomposing front bearing seat casing |
| CN117381408B (en) * | 2023-12-07 | 2024-03-19 | 无锡市普亚机械制造有限公司 | Horizontal split charging equipment for air inlet casing, monitoring system and monitoring method thereof |
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| CN205237481U (en) * | 2015-12-08 | 2016-05-18 | 四川成发航空科技股份有限公司 | A device for turbine of engine assembly |
| CN106414913A (en) * | 2014-05-30 | 2017-02-15 | 汉莎技术有限公司 | Gas turbine dismounting method and calibration device |
| CN106737390A (en) * | 2017-01-23 | 2017-05-31 | 中国航发沈阳发动机研究所 | A kind of casing calotte disassembling fixture |
| CN109648288A (en) * | 2018-12-18 | 2019-04-19 | 中国航发沈阳发动机研究所 | A kind of aero-engine low-pressure turbine mounting device |
| CN110469366A (en) * | 2019-07-31 | 2019-11-19 | 中国航发沈阳发动机研究所 | A kind of device balanced for low-pressure turbine with stator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4787260A (en) * | 1987-04-20 | 1988-11-29 | Cincinnati Milacron Inc. | Self-alignment device for ballscrew arrangement |
| CN205057476U (en) * | 2015-10-27 | 2016-03-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Engine horizontal dismouting device of quick -witted casket that admits air |
| KR20180009141A (en) * | 2016-07-18 | 2018-01-26 | 거명터빈주식회사 | Method of removing bolt in turbine casing |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106414913A (en) * | 2014-05-30 | 2017-02-15 | 汉莎技术有限公司 | Gas turbine dismounting method and calibration device |
| CN205237481U (en) * | 2015-12-08 | 2016-05-18 | 四川成发航空科技股份有限公司 | A device for turbine of engine assembly |
| CN106737390A (en) * | 2017-01-23 | 2017-05-31 | 中国航发沈阳发动机研究所 | A kind of casing calotte disassembling fixture |
| CN109648288A (en) * | 2018-12-18 | 2019-04-19 | 中国航发沈阳发动机研究所 | A kind of aero-engine low-pressure turbine mounting device |
| CN110469366A (en) * | 2019-07-31 | 2019-11-19 | 中国航发沈阳发动机研究所 | A kind of device balanced for low-pressure turbine with stator |
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|---|---|
| CN111761556A (en) | 2020-10-13 |
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